Question: What is {toponym} of {St. Elmo's fire}, that has {historical era} is {Roman Empire}?
Paraphrase: What is {toponym} of {St. Elmo's fire}, that has {chronicled period} is {Roman Empire}?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q120688 wdt:P138 ?answer . ?answer wdt:P2348 wd:Q2277}
Answer: Erasmus of Formiae